Mining Incidents

Portable Plant #4 Metal/Non-Metal

Manhattan, Riley County, KS  ·  Intermittent
MSHA Mine ID: 1401831

Portable Plant #4 has $433 in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2024
Latest incident
Jun 2024
Compliance record
MSHA citations since 2023
3
citations
0
significant & substantial
$433
proposed penalties
$433
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2023
4
inspections on record
27
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 27 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable Plant #4 has $433 in proposed MSHA penalties and $0 outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$433
proposed penalties
$433
current assessed
$433
paid to date
$0
outstanding
3 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-02-27.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 0 0 0
2025 Q3 368 0 0 0.0
2025 Q2 0 0 0
2025 Q1 0 0 0
2024 Q4 294 0 0 0.0
2024 Q3 478 0 0 0.0
2024 Q2 2,429 0 0 0.0
2024 Q1 812 1 0 1231.5
Show 5 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 997 0 0 0.0
2023 Q3 600 0 0 0.0
2023 Q2 585 0 0 0.0
2023 Q1 479 2 0 4175.4
2022 Q4 1,635 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2024 · 1 incident

June 11, 2024 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Bayer Construction Company, Inc · Struck by falling object

Was hauling boulders to the crusher, EE got out of truck to move a rock that was in the middle of the road. EE picked it up and dropped it on right foot.

For insurers, brokers, and safety consultants

The full compliance file on Portable Plant #4

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.